So the answer to this specific question posted above, was to keep the
field bound, then setting the value of the bound to =
'null' at the start of the exit event. The query 'SELECT UserID FROM
FormsData WHERE UserID = 'DDuck', would return nothing not 'null'. So by
inference, setting the to 'null' before hand would ensure
that the IF statement later on could evaluate if was null
or returned something as != 'null'. This worked like a charm. I don't
however have a good sense on working with var...